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英语四六级作文常见类型之原因型作文
在英语
说明文和议论文中，
单篇文章分析事物的原因比较常见，
也是命
题作文中的一种重要
题型。这类题目作文要求考生对社会现象或社会问题进行解释，摆出
原因。
基本结构如下：
P1: S1
Problem (general)
S2 Problem (specific)
P2:
S3 Thesis
S4 Cause 1
S5 Detail 1/Detail
S6
Detail2/Cause2
S7 Cause 2/Detail
S8 Detail 1/Cause3
S9 Detail 2/Detail
P3: S10 Conclusion
句型如下：
S1: In the last few
years/ recent years,
there has been
/China has
experienced
a
dramatic
increase/
growing
tendency
in
the
number
of
PCs/
the crime rate.
S2: According to a
recent/new
survey/ study/
research
in
1998,
the
number/ percentage
of
students
who…/ teenage
smoking
has almost
doubled/tripled/
increased/jumped from
5% to
8%/
Decreased/dropped
by
5%
as
against/
compared
with
last
year/
10
years
ago
S3:
A
number
of/
Several
factors/
causes
might
contribute
to/
lead
to/ account for
the
sudden
rise/ phenomenon/ problem
S4: Part of
the explanations for it/
One of the
most common factors/
causes
is that…
S5:
S6:
…
is
also
responsible
for
the
problem./
Another
contributing
factor/cause
is…
S7:
S8: Perhaps/ But
the
primary/ fundamental
factor/
cause
is
that…
S9
S10:
We
might
do
more
than
identify
the
caused/factors;
it
is
important
to
take
action
to…